13783658813481 has 16 divisors (see below), whose sum is σ = 18390016592640. Its totient is φ = 9183204981120.

The previous prime is 13783658813461. The next prime is 13783658813497. The reversal of 13783658813481 is 18431885638731.

It is not a de Polignac number, because 13783658813481 - 2²¹ = 13783656716329 is a prime.

It is a super-2 number, since 2×13783658813481² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13783658813461) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36700515 + ... + 37074183.

It is an arithmetic number, because the mean of its divisors is an integer number (1149376037040).

Almost surely, 2^{13783658813481} is an apocalyptic number.

It is an amenable number.

13783658813481 is a deficient number, since it is larger than the sum of its proper divisors (4606357779159).

13783658813481 is a wasteful number, since it uses less digits than its factorization.

13783658813481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381536.

The product of its digits is 92897280, while the sum is 66.

The spelling of 13783658813481 in words is "thirteen trillion, seven hundred eighty-three billion, six hundred fifty-eight million, eight hundred thirteen thousand, four hundred eighty-one".